The list of shipwrecks in March 1915 includes ships sunk, foundered, grounded, or otherwise lost during March 1915.
World War I: Naval operations in the Dardanelles Campaign: The Formidable-class battleship struck a mine in the Dardanelles and sank with the loss of about 150 of her 780 crew.
Survivors were rescued by HMS Wear ( Royal Navy).